From FLYP, man-made plans to engineer the climate may sound crazy, but so does a planet too hot to support life; and sometimes journalists produce both the first — and the best — draft of history. An article on a new edition of The Joy of Sex: Where have all the hairy men gone? Celebrating the original DIY: Sex can't get any safer than having it with yourself. Hot or not? Men agree on the answer, but women don't. From Radical Middle, Mark Satin on Zakaria's humanistic pragmatism and Hartzok's visionary idealism.The lessons of 1937: Christina Romer says policymakers must learn from the errors that prolonged the Depression. Population and sustainability: Can we avoid limiting the number of people? Christian soldiers: The growing controversy over military chaplains using the armed forces to spread the Word. The next global reserve currency: If history is any guide, the Chinese renminbi will soon be due to overtake the US dollar, just as the dollar replaced the pound sterling last century. Deliver us from competition: If competition in banking leads to too much risk-taking, the right remedy is better supervision. Thomas Frank on Obama and "regulatory capture": It's time to take the quality of our watchdogs seriously. A review of Justin Fox's The Myth of the Rational Market: A History of Risk, Reward, and Delusion on Wall Street (and more and more).